code: def reset(self):
      self.lm_losses = []
      self.token_count = 0
      self.char_count = 0
  
imports: import logging
  import os
  import numpy
  from attrdict import AttrMap
  from eval_tasks.eval_adapter import run_eval_harness
  from megatron.neox_arguments import NeoXArgs
  from torch.utils.tensorboard import SummaryWriter
  from determined.pytorch import MetricReducer, PyTorchCallback
label_desc: Use image node_id 3 for calling the LMReducers obj's underlying member method code with example usage: obj.reset() without return types